But all these database available free on many crypto forums, which you selling for $800. I don't thing these database will work. When they get lot of spam on their email account of many ico and product, they will not get interest.
Better to make own list by subscription method.
All data is available for free on the web, but how you gonna collect all of it fast and sorted? That's what we're selling. There're a lot of databases that we also have.